Allyson Felix now has the most career Olympic medals for a U.S. track and field athlete, passing Carl Lewis's record of 10.
The 35-year-old, Sydney McLaughlin, Dalilah Muhammad and Athing Mu won gold in the women's 4x400-meter relay on Saturday as the quartet clocked a time of 3:16.85 ahead of Poland, who will bring home silver after running a 3:20.53.
McLaughlin, 22, started off for the U.S., passing the baton to Felix, Muhammad third and Mu served as the anchor. McLaughlin ran the slowest time out of the group, clocking in 49.96, while Felix tallied 49.